// Copyright 2014 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "base/metrics/metrics_hashes.h" #include #include #include "base/format_macros.h" #include "base/strings/stringprintf.h" #include "testing/gtest/include/gtest/gtest.h" namespace base { // Make sure our ID hashes are the same as what we see on the server side. TEST(MetricsHashesTest, HashMetricName) { // The cases must match those in //tools/metrics/ukm/codegen_test.py. static const struct { std::string input; std::string output; } cases[] = { {"Back", "0x0557fa923dcee4d0"}, {"NewTab", "0x290eb683f96572f1"}, {"Forward", "0x67d2f6740a8eaebf"}, }; for (size_t i = 0; i < std::size(cases); ++i) { uint64_t hash = HashMetricName(cases[i].input); std::string hash_hex = base::StringPrintf("0x%016" PRIx64, hash); EXPECT_EQ(cases[i].output, hash_hex); } } TEST(MetricsHashesTest, HashMetricNameAs32Bits) { // The cases must match those in //tools/metrics/ukm/codegen_test.py. static const struct { std::string input; std::string output; } cases[] = { {"Back", "0x0557fa92"}, {"NewTab", "0x290eb683"}, {"Forward", "0x67d2f674"}, }; for (size_t i = 0; i < std::size(cases); ++i) { uint32_t hash = HashMetricNameAs32Bits(cases[i].input); std::string hash_hex = base::StringPrintf("0x%08" PRIx32, hash); EXPECT_EQ(cases[i].output, hash_hex); } } } // namespace metrics